Where does “многолетие” come from?

многолетие (Russian) comes from Russian мно́го, from Proto-Slavic mъnogъ, from Proto-Balto-Slavic managas, from Proto-Indo-European monogʰos, from Proto-Indo-European mengʰ-.

многолетие (Russian): the proclamation of the words мно́гая ле́та during solemn worship, weddings, etc

Definitions

  1. the proclamation of the words мно́гая ле́та during solemn worship, weddings, etc

Ancestry of “многолетие”, step by step

многолетие traces back through two separate lines of ancestry.

via Russian мно́го

StepLanguageWordMeaning
1Russianмно́гоmany; much; multi-, multiple, many
2Proto-Slavicmъnogъmany
3Proto-Balto-Slavicmanagasmany
4Proto-Indo-Europeanmonogʰos—
5Proto-Indo-Europeanmengʰ-—

via Russian ле́то

StepLanguageWordMeaning
1Russianле́тоyear; summer, year
2Old East Slavicлѣтоtime
3Proto-Slaviclětosummer; year
4Proto-Indo-Europeanleh₁tóm—
Every word from Proto-Indo-European mengʰ- →Every word from Proto-Indo-European monogʰos →Every word from Proto-Balto-Slavic managas →